diff options
Diffstat (limited to 'stdlib/fmtmsg.c')
| -rw-r--r-- | stdlib/fmtmsg.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/stdlib/fmtmsg.c b/stdlib/fmtmsg.c index 101beb7f73..e7aab90046 100644 --- a/stdlib/fmtmsg.c +++ b/stdlib/fmtmsg.c @@ -332,6 +332,10 @@ addseverity (int severity, const char *string) int result; const char *new_string; + /* Prevent illegal SEVERITY values. */ + if (severity <= MM_INFO) + return MM_NOTOK; + if (string == NULL) /* We want to remove the severity class. */ new_string = NULL; @@ -339,7 +343,7 @@ addseverity (int severity, const char *string) { new_string = __strdup (string); - if (new_string == NULL || severity <= MM_INFO) + if (new_string == NULL) /* Allocation failed or illegal value. */ return MM_NOTOK; } @@ -359,3 +363,23 @@ addseverity (int severity, const char *string) return result; } + + +static void __attribute__ ((unused)) +free_mem (void) +{ + struct severity_info *runp = severity_list; + + while (runp != NULL) + if (runp->severity > MM_INFO) + { + /* This is data we have to release. */ + struct severity_info *here = runp; + free ((char *) runp->string); + runp = runp->next; + free (here); + } + else + runp = runp->next; +} +text_set_element (__libc_subfreeres, free_mem); |